Sae J1939-73 Pdf
Defining how active and previously active faults are formatted, transmitted, and cleared.
The J1939-73 standard is ubiquitous in the following sectors: Sae J1939-73 Pdf
J1939-73 does not define how data is transmitted electrically, but rather what diagnostic messages are transmitted and how they are formatted. Its primary goal is to ensure that a diagnostic tool (commonly known as a Scan Tool) can communicate with any J1939-compliant ECU, regardless of the manufacturer. Defining how active and previously active faults are
: Defines over 60 Diagnostic Messages (DMs) used for reporting active faults, clearing history, and performing emissions-related checks. and performing emissions-related checks.